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Small Business Innovation Research/Small Business Tech Transfer

High Resolution Silicon Deformable Mirrors, Phase II

Completed Technology Project

Project Introduction

High Resolution Silicon Deformable Mirrors, Phase II
In this proposal we describe a plan to build a deformable mirror suitable for space-based operation in systems for high-resolution imaging. The prototype DM will be fabricated through a combination of micromachining and wafer bonding steps that were all proven feasible in the Phase I project. The device will rely on single crystal silicon for all structural components, promising unprecedented thermal stability and optical quality. A principal goal of this Phase II SBIR project will be to fabricate a high precision microelectromechanical (MEMS) deformable mirror with a 60mm optical diameter, having surface roughness less than 5nm RMS. The mirror will be supported by 1600 independently controllable electrostatic actuators, each capable of up to 1mm of stroke with sub-nanometer repeatability. The device will become an enabling component for applications including space-based imaging, optical communication, and lithography. More »

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.